Flask CRUD Application

Flask CRUD Application — a practical guide to Flask CRUD with clear examples you can reuse in real projects.

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Short description

CRUD apps teach routing, templates/JSON, validation, and persistence (SQLite/SQLAlchemy).

In-memory CRUD sketch

items = {}

@app.get('/api/items')
def list_items():
    return list(items.values())

@app.post('/api/items')
def add_item():
    data = request.get_json() or {}
    item_id = str(len(items) + 1)
    items[item_id] = {'id': item_id, 'title': data.get('title')}
    return items[item_id], 201